Neil Armstrong, the first man to step foot on the moon, carried with him a piece of cloth and wood from the original 1903 Wright Flyer.
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A lightning bolt generates temperatures five times hotter than those found at the sun's surface!
127
The light hitting the earth right now is 30 thousand years old.
163
A 100-pound person on Earth would weigh 38 pounds on Mars.
102
In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
175
The center of the galaxy tastes like raspberries and smells like rum, according to astronomers.
4
A comet's tail always points away from the sun.
2